The Mayan Empire was known for its advanced agricultural practices, trade networks, and hieroglyphic writing system. The Aztec Empire excelled in agriculture, had a complex social structure, and practiced human sacrifice as part of their religious beliefs. The Inca Empire had a highly centralized political system with an emperor at the top, and they relied heavily on a system of terraced farming and road networks for trade and communication. Technologically, the Mayans were skilled astronomers and architects, the Aztecs developed advanced irrigation systems, and the Incas built impressive stone structures and had innovations like a messenger system called "chaskis."
